op {
  graph_op_name: "Atan2"
  summary: "Computes arctangent of `y/x` element-wise, respecting signs of the arguments."
  description: <<END
This is the angle \( \theta \in [-\pi, \pi] \) such that
\[ x = r \cos(\theta) \]
and
\[ y = r \sin(\theta) \]
where \(r = \sqrt(x^2 + y^2) \).
END
}
